
// Copyright (c) 2010-2023 niXman (github dot nixman at pm dot me). All
// rights reserved.
//
// This file is part of YAS(https://github.com/niXman/yas) project.
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
//
//
// Boost Software License - Version 1.0 - August 17th, 2003
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

#include <yas/mem_streams.hpp>
#include <yas/text_oarchive.hpp>
#include <yas/text_iarchive.hpp>
#include <yas/std_types.hpp>
#include <yas/tools/hexdump.hpp>

#include <iostream>

#undef NDEBUG
#include <cassert>

/***************************************************************************/

struct my_ostream: yas::mem_ostream {
    my_ostream(const char key)
        :yas::mem_ostream()
        ,key(key)
    {}

    std::size_t write(const void *ptr, const std::size_t size) {
        const char *sp = ((const char*)ptr);
        for ( std::size_t idx = 0; idx < size; ++idx ) {
            const char ch = *sp++ ^ key;
            yas::mem_ostream::write(&ch, sizeof(ch));
        }
        return size;
    }

private:
    const char key;
};

struct my_istream: yas::mem_istream {
    my_istream(const yas::intrusive_buffer &buf, const char key)
        :yas::mem_istream(buf)
        ,key(key)
    {}

    std::size_t read(void *ptr, const std::size_t size) {
        char *sp = ((char*)ptr);
        for ( std::size_t idx = 0; idx < size; ++idx ) {
            char ch = 0;
            yas::mem_istream::read(&ch, sizeof(ch));
            *sp++ = (ch ^ key);
        }
        return size;
    }

private:
    const char key;
};

/***************************************************************************/

int main() {
    const char key = 0x33;
    std::string src = "my mega super string", dst;

    my_ostream os(key);
    yas::text_oarchive<my_ostream> oa(os);
    oa & YAS_OBJECT_NVP("object", ("v", src));

    const yas::intrusive_buffer ibuf = os.get_intrusive_buffer();
    std::cout << "hexdump:" << std::endl;
    yas::hexdump(std::cout, ibuf.data, ibuf.size) << std::endl;

    my_istream is(ibuf, key);
    yas::text_iarchive<my_istream> ia(is);
    ia & YAS_OBJECT_NVP("object", ("v", dst));

    assert(src == dst);
}

/***************************************************************************/
